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Markups, Market Imperfections, and Trade Openness: Evidence from Ghana

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  • Kaku Attah Damoah

Abstract

This paper investigates the impact of Ghana's WTO accession on firm-level product and labour market imperfections. We exploit a rich dataset of firm-level information to estimate both markups and the degree of monopsony power enjoyed by manufacturing firms. Results suggest that price-cost margins declined, while the degree of monopsony power increased in the wake of WTO accession. These diverging dynamics suggests that firms compress real wages to offset loss of market power in the product market due to increased international competition. This results in an increase of the market imperfection gap, which gradually erodes the pro-competitive gains from trade. The paper contributes to the literature by identifying channels through which allocative inefficiencies and misallocation can persist even after trade liberalisation.

Suggested Citation

  • Kaku Attah Damoah, 2018. "Markups, Market Imperfections, and Trade Openness: Evidence from Ghana," FIW Working Paper series 184, FIW.
  • Handle: RePEc:wsr:wpaper:y:2018:i:184
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    References listed on IDEAS

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    1. Jan De Loecker, 2011. "Product Differentiation, Multiproduct Firms, and Estimating the Impact of Trade Liberalization on Productivity," Econometrica, Econometric Society, vol. 79(5), pages 1407-1451, September.
    2. Sabien Dobbelaere & Jacques Mairesse, 2013. "Panel data estimates of the production function and product and labor market imperfections," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 28(1), pages 1-46, January.
    3. Stefano Schiavo & Lionel Nesta, 2017. "International Competition and Rent Sharing in French Manufacturing," DEM Working Papers 2017/07, Department of Economics and Management.
    4. Mary Amiti & Jozef Konings, 2007. "Trade Liberalization, Intermediate Inputs, and Productivity: Evidence from Indonesia," American Economic Review, American Economic Association, vol. 97(5), pages 1611-1638, December.
    5. Jan De Loecker & Catherine Fuss & Jo Van Biesebroeck, 2014. "International competition and firm performance: evidence from Belgium," Working Papers of Department of Economics, Leuven 553099, KU Leuven, Faculty of Economics and Business (FEB), Department of Economics, Leuven.
    6. Hall, Robert E, 1988. "The Relation between Price and Marginal Cost in U.S. Industry," Journal of Political Economy, University of Chicago Press, vol. 96(5), pages 921-947, October.
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    More about this item

    Keywords

    Markups; Market Imperfections; Trade Openness; Africa; Ghana;

    JEL classification:

    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • O14 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Industrialization; Manufacturing and Service Industries; Choice of Technology
    • O24 - Economic Development, Innovation, Technological Change, and Growth - - Development Planning and Policy - - - Trade Policy; Factor Movement; Foreign Exchange Policy

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